(19)

(11)

EP 3 471 886 A1

(12)

(43) Date of publication: 24.04.2019 Bulletin 2019/17 (21) Application number: 16730360.1 (22) Date of filing: 16.06.2016

(51) International Patent Classification (IPC):  B02C 13/14(2006.01) B02C 13/26(2006.01) (86) International application number: PCT/EP2016/063895 (87) International publication number: WO 2017/215754 (21.12.2017 Gazette 2017/51)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventors: FORSBERG, Andreas 217 52 Malmö (SE) KJAERRAN, Knut 233 91 Svedala (SE) DALLIMORE, Rowan Bath Bath and North East Somerset BA2 8SP (GB) (74) Representative: Sandvik  Sandvik Intellectual Property AB 811 81 Sandviken 811 81 Sandviken (SE)